KR101069322B1 - Vehicle tire with stone ejector in groove - Google Patents

Vehicle tire with stone ejector in groove Download PDF

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Publication number
KR101069322B1
KR101069322B1 KR1020080111499A KR20080111499A KR101069322B1 KR 101069322 B1 KR101069322 B1 KR 101069322B1 KR 1020080111499 A KR1020080111499 A KR 1020080111499A KR 20080111499 A KR20080111499 A KR 20080111499A KR 101069322 B1 KR101069322 B1 KR 101069322B1
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South Korea
Prior art keywords
groove
stone
stuck
tire
protrusion
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KR1020080111499A
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Korean (ko)
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KR20100052681A (en
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이경철
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한국타이어 주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03—Tread patterns
    • B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
    • B60C11/1307—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove walls
    • B60C2011/1338—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove walls comprising protrusions

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

본 발명은 돌물림 방지 기능을 가진 중하중 차량용 타이어에 관한 것이다. 종래의 타이어에 설치된 돌물림 방지 장치는 그루브에 끼인 돌이 돌물림 방지 장치에 닿지 않을 정도로 얕게 끼인 경우에는 그루브에 끼인 돌을 제거할 수 없는 결점이 있었던 바, 본 발명은 그루브의 양 벽면에 높이를 달리하는 돌출부를 형성시켜서 된 타이어를 제공하며, 나아가, 돌출부에 절결홈을 형성시켜 절결홈 상부의 탄력성을 증가시킴으로써 끼인 돌의 발출 작용을 강화시킴과 동시에 끼이는 돌에 의한 돌출부의 뜯김 현상을 방지하여서 되는 타이어를 제공한다.The present invention relates to a heavy duty vehicle tire having a bite prevention function. In the conventional tire preventive device has a defect that can not remove the stone stuck in the grooves when the stone stuck in the groove is so shallow that it does not touch the bite prevention device, the present invention is to increase the height on both walls of the groove Provides a tire formed by forming a different protrusion, and further, by forming a notch groove in the protrusion to increase the elasticity of the top of the notch groove to enhance the extraction action of the stuck stone and at the same time prevent the protrusion of the protrusion by the stuck stone. To provide tires.

타이어, 그루브, 돌물림 방지 장치, stone ejector Tires, Grooves, Anti-Stabbing, Stone Ejector

Description

돌물림 방지장치를 가진 자동차용 타이어{Vehicle tire with stone ejector in groove}Vehicle tire with stone ejector {Vehicle tire with stone ejector in groove}

본 발명은 타이어에 관한 것으로, 특히, 돌물림 방지 장치를 가진 중하중 차량용 타이어에 관한 것이다. TECHNICAL FIELD The present invention relates to tires, and more particularly, to a heavy duty vehicle tire having a bite prevention device.

중하중 차량용 타이어는 그루브가 비교적 크고 깊게 형성되어 있어 그루브에 돌이 끼일 염려가 있고, 그루브에 돌이 끼이게 되면 그루브 부위가 파손될 염려가 크다. 그리하여 그루브에 돌물림 장지 장치(stone ejectoe)를 설치하여서 된 중하중 차량용 타이어가 제공된 바 있다.Heavy-duty vehicle tires are formed with relatively large and deep grooves, which may cause stones to be caught in the grooves, and when the stones are caught in the grooves, the grooves may be damaged. Thus, there has been provided a tire for a heavy-duty vehicle by installing a stone ejectoe in the groove.

그런데 종래의 타이어에 설치된 돌물림 방지 장치는 그루브에 돌이 들어가는 일 자체를 방지하는 것이 아니라 일반적으로 깊게 들어가 끼인 돌을 빼어내게 하는 작용을 하는 것이어서 그루브에 끼인 돌이 돌물림 방지 장치에 닿지 않을 정도로 얕게 끼인 경우에는 그루브에 끼인 돌을 제거할 수 없는 결점이 있으며, 그루브에 끼인 돌이 제거되지 않으면 그루브에 끼인 돌이 그루브 벽에 손상을 가하게 되는 결점이 있다.However, the bite prevention device installed in a conventional tire does not prevent the stone from entering the groove itself, but generally serves to pull out the stone that is deeply inserted so that the stone stuck in the groove is inserted so shallow that it does not touch the bite prevention device. In this case, there is a defect that can not remove the stone stuck in the groove, and if the stone stuck in the groove is not removed, the stone stuck in the groove will damage the groove wall.

이에 본 발명은 그루브에 돌이 들어오는 일을 돌의 그루브 진입 초기에 차단하며, 그루브에 끼인 돌은 이를 효과적으로 제거할 수 있게 하는 타이어를 제공하여야 한다는 과제를 해결하고자 한다.Accordingly, the present invention is intended to solve the problem of blocking the incoming of the stone into the groove at the beginning of the groove of the stone to provide a tire that can be effectively removed from the stone stuck in the groove.

이와 같은 과제를 해결하기 위하여 본 발명은 그루브의 양 벽면에 높이를 달리하는 돌출부를 형성시켜서 된 타이어를 제공하며, 나아가, 돌출부에 절결홈을 형성시켜서 된 타이어를 제공하고, 또한, 돌출부의 외상단 모서리에 돌출턱을 형성시켜서 된 타이어를 제공한다.In order to solve such a problem, the present invention provides a tire formed by forming projections having different heights on both wall surfaces of the groove, and furthermore, by providing a tire formed by forming a notch groove in the projection, and further, an outer upper end of the projection. Provides a tire formed by forming a projection jaw in the corner.

위와 같이, 그루브의 양 벽면에 높이를 달리하는 돌출부를 형성시켜서 된 본 발명의 타이어는 그루브에 돌이 들어오는 일을 돌의 그루브 진입 초기에 차단하는 효과가 있으며, 돌출부에 절결홈을 형성시켜 절결홈 상부의 탄력성을 증가시켜서 된 타이어를 제공하여 그루브에 끼인 돌의 발출 작용을 강화시킴과 동시에 끼이는 돌에 의한 돌출부의 뜯김 현상을 방지하는 효과가 있다. 또한 본 발명은 이에서 나 아가, 돌출부의 외상단 모서리에 돌출턱을 형성시켜 돌출턱으로하여금 끼인돌에 탄력적 이탈충격을 가하게 하고 또 그루브의 입구부를 막는 면적을 확대시켜 돌끼임을 예방하게 하는 효과가 있다.As described above, the tire of the present invention by forming protrusions having different heights on both wall surfaces of the grooves has an effect of blocking the entrance of stones into the grooves at the initial stage of the groove entry of the stones, and forming a notch groove on the protrusions to form an upper cutout groove. By providing the tire by increasing the elasticity of the reinforcement of the extraction action of the stone stuck in the groove and at the same time there is an effect of preventing the tearing of the protrusion by the stuck stone. In addition, the present invention further has an effect of forming a projection jaw in the outer edge of the protrusion to apply a resilient impact shock to the gold jindol and to prevent the crushing by expanding the area blocking the inlet of the groove. have.

트레드(1)와 트레드(1) 양측에 설치되는 사이드월(도면에 도시되지 아니함)과 사이드월의 각 단부에 설치되는 비드부(도면에 도시되지 아니함)로 구성되고, 트레드(1)에 그루브(2)가 형성되는 중하중 차량용 타이어에 있어서, 본 발명은 그루브(2)의 양 벽면에 높이를 달리하는 돌출부(3, 4)를 형성시켜서 된 타이어를 제공한다. 돌출부(3, 4)의 높이를 동일하게 형성시키게 되면 두개의 돌출부(3, 4) 사이에 돌이 끼일 염려가 크나, 본 발명에 있어서와 같이, 돌출부(3, 4)가 단차를 가지게 형성되면 그 사이에 돌물림이 발생할 염려를 감소시키며, 그루브 입구부 측까지 형성된 상단 돌출부(3)는 그루브 폭 정도 크기의 큰 돌 및 이물질을 일차 제거하고, 하단 돌출부(4)는 상단 돌출부(3)를 통과한 돌 및 이물질을 이차로 제거한다.Tread 1 and sidewalls (not shown) provided on both sides of the tread 1 and bead portions (not shown) provided on each end of the sidewall, and grooves on the tread 1 In the heavy-duty vehicle tire in which (2) is formed, the present invention provides a tire formed by forming projections 3 and 4 having different heights on both wall surfaces of the groove 2. If the heights of the protrusions 3 and 4 are formed to be the same, there is a high possibility that stones are caught between the two protrusions 3 and 4, but as in the present invention, when the protrusions 3 and 4 are formed to have a step, Reduces the risk of bleeding in between, the upper protrusion (3) formed to the groove inlet side first removes large stones and foreign matter the size of the groove width, the lower protrusion (4) passes through the upper protrusion (3) Secondary stones and debris are removed.

본 발명은 이에서 나아가, 돌출부(3, 4)에 그루브(2)의 중심부를 향하여 터진 절결홈(31, 41)을 형성시켜서 된 타이어를 제공한다. 이러한 절결홈(31, 41)은 절결홈(31, 41) 상부의 탄력성을 증가시킴으로써 끼인 돌의 발출 작용을 강화시킴과 동시에 끼이는 돌에 의한 돌출부의 뜯김 현상을 방지하여서 되는 타이어를 제공한다.The present invention further provides a tire formed by forming the notched grooves 31 and 41 in the protrusions 3 and 4 that are blown toward the center of the groove 2. The cutout grooves 31 and 41 provide a tire by increasing the elasticity of the upper cutout grooves 31 and 41 to enhance the extraction action of the stuck stones and at the same time prevent the tearing of the protrusion by the stuck stones.

또한 본 발명은 이에서 나아가, 돌출부(3, 4)의 외상단 모서리에 돌출턱(32, 42)을 형성시켜서 된 타이어를 제공한다. 돌출턱(32, 42)은 그루브에 끼인돌에 탄력적 이탈충격을 가하게 하고 또 그루브의 입구부를 막는 면적을 확대시켜 돌끼임을 예방하게 한다.In addition, the present invention further provides a tire formed by forming the protruding jaws 32 and 42 at the outer edges of the protrusions 3 and 4. Protruding jaw (32, 42) is applied to the resilient impact impact on the stone sandwiched in the groove and to prevent the stone jam by expanding the area blocking the inlet of the groove.

본 발명의 타이어에 있어서의 돌출부(3, 4)는 그 상면이 트레드면과 평행하게 형성되는 것이 바람직하다. 상면이 트레드면과 평행하게 형성된 돌출부(3, 40는 트레드가 돌출부(3, 4)의 높이에 이르기까지 마모되면, 돌출부(3, 4)의 상면이 트레드의 일부를 이루게 된다. It is preferable that the protrusions 3 and 4 of the tire of the present invention are formed so that their upper surfaces are parallel to the tread surfaces. When the treads are worn to the height of the protrusions 3 and 4, the protrusions 3 and 40 having the upper surface parallel to the tread surface are formed as part of the tread.

도1은 본 발명의 일 실시예의 요부 발췌 단면도     1 is a cross-sectional view of the main portion of an embodiment of the present invention

<도면의 주요 부분에 대한 부호의 설명>    <Explanation of symbols for the main parts of the drawings>

1. 트레드1. Tread

2. 그루브2. Groove

3,4. 돌출부3,4. projection part

31, 41. 절결홈  31, 41.Notch Groove

32, 42. 돌출턱  32, 42. Protruding Jaw

Claims (4)

삭제delete 트레드(1)와 트레드(1) 양측에 설치되는 사이드월과 사이드월의 각 단부에 설치되는 비드부로 구성되고, 트레드(1)에 그루브(2)가 형성되는 것에 있어서, 그루브(2)의 양 벽면에 높이를 달리하는 돌출부(3, 4)가 형성되고, 돌출부(3, 4)는 그루브(2)의 중심부를 향하여 터진 절결홈(31, 41)을 가지는 것을 특징으로 하는 돌물림 방지장치를 가진 자동차용 타이어.The groove 2 is formed by the tread 1 and the sidewalls provided on both sides of the tread 1 and the bead portions provided at each end of the sidewalls, and the grooves 2 are formed in the tread 1. Protruding parts 3 and 4 having different heights are formed on the wall surface, and the protruding parts 3 and 4 have cutout grooves 31 and 41 that are blown toward the center of the groove 2. Car tires with. 제2항에 있어서, 돌출부(3, 4)는 외상단 모서리에 돌출턱(32, 42)이 형성된 것임을 특징으로 하는 돌물림 방지장치를 가진 자동차용 타이어.3. The tire of claim 2, wherein the protrusions (3, 4) are protrusion jaws (32, 42) formed at outer edges. 제3항에 있어서, 돌출부(3, 4)는 그 상면이 트레드면과 평행하게 형성된 것임을 특징으로 하는 돌물림 방지장치를 가진 자동차용 타이어.4. An automobile tire according to claim 3, wherein the protrusions (3, 4) are formed in parallel with their tread surfaces.
KR1020080111499A 2008-11-11 2008-11-11 Vehicle tire with stone ejector in groove KR101069322B1 (en)

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KR101069322B1 true KR101069322B1 (en) 2011-10-05

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6426445B2 (en) * 2014-11-18 2018-11-21 東洋ゴム工業株式会社 Pneumatic tire

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62286803A (en) 1986-06-04 1987-12-12 Bridgestone Corp Pneumatic tyre

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62286803A (en) 1986-06-04 1987-12-12 Bridgestone Corp Pneumatic tyre

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